public void Update_Supporters_Count() { IEnumerable<GroupUpdateSupport> updtsprt = new List<GroupUpdateSupport> { new GroupUpdateSupport { GroupUpdateSupportId =1, GroupUpdateId = 1,GroupUserId = 1}, new GroupUpdateSupport { GroupUpdateSupportId =2, GroupUpdateId = 1,GroupUserId = 2}, new GroupUpdateSupport { GroupUpdateSupportId =3, GroupUpdateId = 1,GroupUserId = 3}, }.AsEnumerable(); groupUpdateSupportRepository.Setup(x => x.GetMany(It.IsAny<Expression<Func<GroupUpdateSupport, bool>>>())).Returns(updtsprt); GroupController controller = new GroupController(groupService, groupUserService, userService, metricService, focusService, groupgoalService, groupInvitationService, securityTokenService, groupUpdateService, groupCommentService, goalStatusService, groupRequestService, followUserService, groupCommentUserService, groupUpdateSupportService, groupUpdateUserService); int count = controller.NoOfSupports(1); Assert.IsNotNull(count); Assert.AreEqual("3", count.ToString()); }